(3) Submit the required evidence of approved training to the department;

(4) Pass the written and practical competency examination provided by a nationally recognized testing agency under contract with the department;* and

(5) Pay the endorsement issuance fee shown in WAC 296-400A-045 to the department.

* This section applies if you previously held the endorsement.

(6) If you previously held a medical gas endorsement in Washington and it has been expired for more than ninety days, you are required to take the department's medical gas examination. You can apply for the examination by completing the following requirements: